Alaska Airlines Flights from Austin to San Diego

Lowest fares from Austin to San Diego

Mar 2026
From$279*
Seen: 29 minutes ago
Flight Type One Way|Saver
Apr 2026
From$90*
Seen: 29 minutes ago
Flight Type One Way|Saver
May 2026
From$90*
Seen: 29 minutes ago
Flight Type One Way|Saver
$90
$369
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    • Range$90-$369

    *Displayed prices have been available within the past 24 hours and may not be available at the time of booking. Fares listed may be Saver fares, which is our most restrictive fare option and subject to additional restrictions. For roundtrip journeys, the price displayed—available within the past 24 hours—is the aggregate of the lowest available fare each way. Additional baggage charges and fees for optional products and services may apply. Other terms and conditions may apply.

    One-way low-fare flights Austin to San Diego.*

    $
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    One-way low-fare flights Austin to San Diego.*
    From
    To
    Fare Type
    Dates
    Price
    Austin (AUS)San Diego (SAN)One-way
    |
    Saver    		Depart: Apr 15, 2026

    From

    $90

    Seen: 29 minutes ago

    Austin (AUS)San Diego (SAN)One-way
    |
    Saver    		Depart: Apr 18, 2026

    From

    $90

    Seen: 29 minutes ago

    Austin (AUS)San Diego (SAN)One-way
    |
    Saver    		Depart: Apr 28, 2026

    From

    $90

    Seen: 29 minutes ago

    Austin (AUS)San Diego (SAN)One-way
    |
    Saver    		Depart: May 6, 2026

    From

    $90

    Seen: 29 minutes ago

    Austin (AUS)San Diego (SAN)One-way
    |
    Saver    		Depart: May 13, 2026

    From

    $90

    Seen: 29 minutes ago

    Austin (AUS)San Diego (SAN)One-way
    |
    Saver    		Depart: May 16, 2026

    From

    $90

    Seen: 29 minutes ago

    Austin (AUS)San Diego (SAN)One-way
    |
    Saver    		Depart: May 19, 2026

    From

    $90

    Seen: 29 minutes ago

    Austin (AUS)San Diego (SAN)One-way
    |
    Saver    		Depart: May 20, 2026

    From

    $90

    Seen: 29 minutes ago

    *Displayed prices have been available within the past 24 hours and may not be available at the time of booking. Fares listed may be Saver fares, which is our most restrictive fare option and subject to additional restrictions. For roundtrip journeys, the price displayed—available within the past 24 hours—is the aggregate of the lowest available fare each way. Additional baggage charges and fees for optional products and services may apply. Other terms and conditions may apply.

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